<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
    <p>列表书籍</p>

    <todo>
        <todo-title slot="todo-title" v-bind:title="title"></todo-title>
        <todo-items slot="todo-items" v-for="(item,index) in todoItems"
                    v-bind:item="item" v-on:remove="removeItems(index)"></todo-items>
    </todo>
</div>



<script src="https://cdn.jsdelivr.net/npm/vue@2.5.21/dist/vue.min.js"></script>
<script>

    //<slot>定义插槽
    Vue.component("todo",{
        template:
            '<div>\
                <slot name="todo-title"></slot>\
                <ul>\
                    <slot name="todo-items"></slot>\
                </ul>\
            </div>'
    });

    Vue.component("todo-title",{
        props: ['title'],
        template: '<div>{{title}}</div>'
    })

    Vue.component("todo-items",{
        props: ['item','index'],
        template: '<li>{{index}}.{{item}} <button @click="remove">删除</button></li>',
        methods: {
            remove: function (index) {
                this.$emit('remove',index);
            }
        }
    })

    var vm = new Vue({
        el: "#app",
        data: {
            title:"Vue学习",
            todoItems: ['Java','Linux','Python']
        },
        methods: {
            removeItems:function (index) {
                console.log("删除了"+this.todoItems[index]+"OK");
                this.todoItems.splice(index,1);
            }
        }

    });
</script>
</body>
</html>